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High-purity tin production
Introduction
Tin is a silvery metal that can be a key component in constructing different types of goods. Its discovery and use as a metal dates back to as early as 3500 B.C. Native tin is very rare in nature, but tin is produced mainly as a result of mining the ore cassiterite. Today, tin is of ......
1040 
Hannah
bronze
Bronze Age
The Bronze Age was a period in human history characterized by the use of bronze, a metal alloy of copper, tin and zinc. It preceded the Iron Age, which followed the Iron Age in most parts of the world. The Bronze Age is said to have begun in around 3300 BCE in parts of western Asia, th......
Carbon Materials Science
The study of Carbon-Based Materials
Carbon-based materials are one of the most important materials studied in materials science due to their wide range of applications. These materials are those in which the main element is carbon, either in the form of graphs, diamonds, or other carbon analogs. ......
Formation of eutectic graphite (type A, D, E, B and coral graphite)
The formation of graphite (A, D, E, B and coral-like)
Graphite is a form of carbon, which has been existent since the Carboniferous era, over 290 million years ago. Graphite was first discovered in 1564 in the form of black graphite. It has several unique properties that make it suitable for many......
Dolomite refractories
Introduction
White Yunshi is a kind of refractory material, also known as corundite or Yixing quartzite, which has been used in areas requiring high temperature or chemical resistance due to its low porosity, high density and excellent durability. With the advantages of low thermal expansion coef......
Physical and chemical indicators of high alumina refractory mud
High Alumina Refractory Mortar physic-chemical propertyindex
High alumina refractory mortar is a kind of aggregate and powder mineral material with high refractoriness and water resistance, which is made of refractory powder, low alkali cement and water, and stirred with a certain amount of dispe......
Casting method
Lost-wax casting
Lost-wax casting is a process of producing sharp and detailed castings from3D models, designs, drawings and molds. This process is also known as investment casting, or cire perdue. It is an ancient technique that started in Egypt and Mesopotamia around 3800 BC.
The process begin......
porosity
Stomatal Conductance
Stomatal conductance, also known as mesophyll conductance, is the amount of water vapor and carbon dioxide absorbed by plants through their Leaves0 cuticles. Stomata are small openings in the epidermis of leaves that are responsible for the exchange of gases between a plant an......
Flux Limestone
Molten slag has been a mainstay of the construction industry for thousands of years, dating back to the first known use of concrete in Mesopotamia around 2600 BC. The use of molten slag is a much more efficient and economical way to produce construction materials than the traditional methods of qu......
cast iron
Iron has been used by humans since ancient times. It is one of the most important materials that enabled the advancement of civilization from primitive to modern era. The Ancient Egyptians used to make jewelry with iron ore which was possibly imported from India and Mesopotamia. The Iron Age began......
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